The Collaborative International Dictionary
Pseudomorphism
Pseudomorphism \Pseu`do*mor"phism\, n. (Crystallog.) The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.
Wiktionary
pseudomorphism
n. (label en crystallography) The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.